Fiberglass knife



FIG. 1 is an isometric view of the fiberglass knife;

FIG. 2 is a front end view of the fiberglass knife;

FIG. 3 is a rear end view of the fiberglass knife;

FIG. 4 is a bottom view of the fiberglass knife;

FIG. 5 is a top view of the fiberglass knife; and,

FIG. 6 is a side view of the fiberglass knife.

The ornamental design for a fiberglass knife, as shown and described.